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authorLi Zhong <zhong@linux.vnet.ibm.com>2012-12-02 20:19:22 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-01-29 10:10:22 +1100
commit41d82bdb40af74a88cff4589ea7a60091b11070e (patch)
treecf65bdbda41cba99692d7d01d31a702d683a7f99
parent45e72af09faa7dad5d8539ebac0fe317ae88318b (diff)
downloadlinux-41d82bdb40af74a88cff4589ea7a60091b11070e.tar.bz2
powerpc: Fix MAX_STACK_TRACE_ENTRIES too low warning for ppc32
This patch fixes MAX_STACK_TRACE_ENTRIES too low warning for ppc32, which is similar to commit 12660b17. Reported-by: Christian Kujau <lists@nerdbynature.de> Signed-off-by: Li Zhong <zhong@linux.vnet.ibm.com> Tested-by: Christian Kujau <lists@nerdbynature.de> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
-rw-r--r--arch/powerpc/kernel/entry_32.S2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index d22e73e4618b..e514de57a125 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -439,6 +439,8 @@ ret_from_fork:
ret_from_kernel_thread:
REST_NVGPRS(r1)
bl schedule_tail
+ li r3,0
+ stw r3,0(r1)
mtlr r14
mr r3,r15
PPC440EP_ERR42